Differences between 'marathon mice' and 'couch potato mice' reveal key to muscle fitness
Wednesday, May 8, 2013 - 11:30
in Biology & Nature
Using "marathon" and "couch potato" mouse models, researchers have discovered that microRNAs link the defining characteristics of fit muscles: The abilities to burn fuel and switch between muscle fiber types. They also found that active people have higher levels of one microRNA than sedentary people.